In an unsigned agreement these airbases were to be operated by the United States Air Force for the specific purpose of attacking North Vietnam with some 500 airplanes.
The vast nature of this enterprise enriched Thailand at every level of society, enabling a jump in indigenous heavy construction, communications, transportation, and defense.
The following categories are found in United States Government Accountability Office catalog summaries: locomotives, aeronautical ground services, Bangkok-Saraburi Highway, southern roads, development loans, technical support, civil police, village radios, agricultural development, rural health, potable water, malaria eradication, rural electrification, Chiang Mai Medical School.
Additionally, there was the construction of 315 km (196 mi) of all-weather roads in the north and northeast, requiring 138 bridges and culverts, costing US$11 million (US$174,000 for maintenance equipment; requiring the training of 199 personnel (36 mechanics, 6 supply specialists, 97 equipment operators, 60 drivers)).
AID (Agency for International Development) Assistance Through FY 1968 (millions of dollars) Development Indicators Taiwan vs Thailand: GNP 234/141, Per Capita Electric Power 680/58, Literacy Rate 72/70, Inhabitants per physician 1500/7300, Roads per 1000 square miles 590/40, Population Density 1010/170, Thai Gross National Product (GNP) in constant 1965 millions of dollars: 1961/2925, 1962/3082, 1963/3386, 1964/3590, 1965/3907, 1966/4339, 1967/4551